| Lat / long: | 43.90944, -103.55194 |
| Primary: | Tungsten |
| Operation type: | Unknown |
| Development status: | Unknown |
| DEP | 10400312 |
| Reference | Runner, J.J. and Hartmann, M.L., The Occurrence, Chemistry, and Metallurgy, and Uses of Tungsten, With Special Reference to the Black Hills of South Dakota. South Dakota School of Mines Bull. 12, 1918, p. 58. |
| Reporter | Diane Illo |